Dr. Malcolm Perry, left, and Dr. Kemp Clark, chief neurosurgeon at Parkland Hospital, right, at a news conference at the hospital in Dallas, Texas, Nov. 22, 1963. Perry was the first doctor to attend to President John F. Kennedy upon his arrival at the hospital. less

Dr. Malcolm Perry, left, and Dr. Kemp Clark, chief neurosurgeon at Parkland Hospital, right, at a news conference at the hospital in Dallas, Texas, Nov. 22, 1963. Perry was the first doctor to attend to ... more